Bias Is Most Likely to Appear in a News Story

Bias is most likely to appear in a news story when

A) the reporter relies on multiple sources and gives abundant time or space to all sides of a controversy.
B) the reporter's story is reviewed by a large number of editors and supervisors.
C) the reporter is writing about a topic that she or he already knows a lot about.
D) the reporter relies on one source or gives disproportionate time to space to one side of a controversy.